netdev - Re: [PATCH net-next 2/5] selinux/nlmsg: add RTM

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Message-ID: <CAHC9VhQ2w-13aN9ghe8mJTe=Gekzx-q-A_5+DCjmiprNoPOuAQ@mail.gmail.com>
Date:	Thu, 9 Apr 2015 16:47:54 -0400
From:	Paul Moore <paul@...l-moore.com>
To:	nicolas.dichtel@...nd.com
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 2/5] selinux/nlmsg: add RTM_GETNSID

On Thu, Apr 9, 2015 at 9:10 AM, Nicolas Dichtel
<nicolas.dichtel@...nd.com> wrote:
> Le 09/04/2015 13:10, Paul Moore a écrit :
> [snip]
>>>
>>> --- a/security/selinux/nlmsgtab.c
>>> +++ b/security/selinux/nlmsgtab.c
>>> @@ -74,6 +74,7 @@ static struct nlmsg_perm nlmsg_route_perms[] =
>>>          { RTM_DELMDB,           NETLINK_ROUTE_SOCKET__NLMSG_WRITE  },
>>>          { RTM_GETMDB,           NETLINK_ROUTE_SOCKET__NLMSG_READ  },
>>>          { RTM_NEWNSID,          NETLINK_ROUTE_SOCKET__NLMSG_WRITE },
>>> +       { RTM_DELNSID,          NETLINK_ROUTE_SOCKET__NLMSG_READ  },
>>>          { RTM_GETNSID,          NETLINK_ROUTE_SOCKET__NLMSG_READ  },
>>>   };
>>
>>
>> Can you elaborate a bit on the RTM_DELNSID type?  Based only on the
>> name I wonder if it should be treated as a "write" and not a "read"
>> operation.
>
> The user is not allowed to delete a nsid (no method is implemented). This
> RTM_DELNSID is only used for notifications.

Okay, thanks for clearing that up.

-- 
paul moore
www.paul-moore.com
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